Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LEE ONN CHIENG
NPI 1659899342
Neurological Surgery in Riverside, CA

Active since September 01, 2017
4510 BROCKTON AVE STE 175, RIVERSIDE, CA 92501(951) 786-5550 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 28, 2026, Apr 11, 2025, Jun 19, 2018 and 1 more (4 updates tracked since 2017).

About Lee Onn Chieng NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEE ONN CHIENG (NPI 1659899342) is an individual neurological surgery provider in Riverside, California, licensed in California (A206131) and active in the NPI registry since September 2017.

NPPES Registry Identity

NPI1659899342
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameLEE ONN CHIENG
Location Address4510 BROCKTON AVE STE 175Riverside, CA 92501-4020
Mailing AddressPo Box 743111Atlanta, GA 30374-3111
Sole ProprietorNo
Enumeration DateSeptember 1, 2017
Last NPPES UpdateAugust 28, 20264 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
NPI 1659899342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in CA · A206131
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
4510 BROCKTON AVE STE 175, Riverside, CA 92501

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
4510 BROCKTON AVE STE 175
RIVERSIDE, CA 92501
Neurological Surgery
4510 BROCKTON AVE STE 175
RIVERSIDE, CA 92501
Physician Assistant
4510 BROCKTON AVE STE 175
RIVERSIDE, CA 92501
Neurological Surgery
4510 BROCKTON AVE STE 175
RIVERSIDE, CA 92501

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lee Onn Chieng's NPI number?

The NPI number for Lee Onn Chieng is 1659899342. It was assigned to this individual provider in the NPPES registry on September 1, 2017.

Where is Lee Onn Chieng located?

Lee Onn Chieng practices at 4510 Brockton Ave Ste 175, Riverside, CA 92501. The listed phone number is (951) 786-5550.

What is Lee Onn Chieng's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

When was this NPI record last updated?

The NPPES record for Lee Onn Chieng was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.